Are the voids in the glass bundle or between the glass bundle and the  resin? 
If the former, you have a glass supplier problem (not all the weaving  
assistant burned off?)-- if the latter, then I would suspect incorrect pH in the  
adhesion promoter application bath.
 
 
Bill  Kenyon
Global Centre Consulting
3336 Birmingham Drive
Fort Collins, CO  80526
Tel: 970.207.9586   Cell:  970.980.6373



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